CN202660036U - Pneumatic control valve - Google Patents
Pneumatic control valve Download PDFInfo
- Publication number
- CN202660036U CN202660036U CN 201220257446 CN201220257446U CN202660036U CN 202660036 U CN202660036 U CN 202660036U CN 201220257446 CN201220257446 CN 201220257446 CN 201220257446 U CN201220257446 U CN 201220257446U CN 202660036 U CN202660036 U CN 202660036U
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Abstract
The utility model relates to a pneumatic control valve and aims to provide the pneumatic control valve with a rotatable control part. The pneumatic control valve comprises a valve body and a cylinder, wherein the valve body is respectively provided with an inlet, an outlet and a movable valve element; the cylinder is internally provided with a piston capable of being slid, and the center of the piston is connected with a piston rod which can be used for pressing the valve element to move so as to open and close a channel between the inlet and the outlet; and the outer wall of the cylinder is provided with a pneumatic connector. The pneumatic control valve is characterized in that a spacer bush is arranged between the cylinder and the piston rod, and one side of the spacer is fixedly connected with the valve body, while the other side of the spacer bush is rotatably connected with the cylinder. The pneumatic control valve has the advantages that the cylinder part can be rotated, so that when the pneumatic control valve is used, the pneumatic control valve is convenient for a user to access; and the service life of a sealing pad is prolonged, and the pneumatic control valve is suitable for promotion and use.
Description
Technical field
The utility model relates to a kind of valve, relates in particular to a kind of Pneumatic valve.
Background technique
Pneumatic valve now is widely used on the machinery such as food, medicine, industry, washing, petrochemical industry, metallurgy, spraying, vehicle.
Chinese patent notification number CN201335155Y discloses a kind of separate assembling 2/2-way Pneumatic valve, comprise cylinder and valve body, be provided with piston in the described cylinder, the center of described piston connects piston rod, described piston-rod lower end is provided with spool, described cylinder sidewall is provided with the gas control interface, described valve body two ends are respectively equipped with inlet union and outlet connection, passage is separated by the valve plate that is fixed in described body cavity between described inlet union and the outlet connection, the described body cavity at position is provided with the valve port of level between described valve plate and the described outlet connection, the lower end of described cylinder is provided with the lower cover with described cylinder inner wall sealing, described lower cover center is established through hole and is extended down in the described valve body for described piston rod, described valve body top is fixedly connected with valve gap, and described cylinder connects described valve gap.This Pneumatic valve is that bolt is connected to rotate and causes installing inconvenient owing to control section and valve body in actual use, and its seal ring weares and teares easily, and it is shorter to be prone to slight leakage phenomenon and life-span.
The model utility content
The purpose of this utility model is to provide a kind of control device rotatable Pneumatic valve, to solve the inconvenient problem of the installation that exists in the background technique.
To achieve these goals, the technical solution of the utility model is: a kind of Pneumatic valve, comprise valve body and cylinder, described valve body is respectively equipped with import, outlet and spool movably, be provided with slidably piston in the cylinder, thereby being connected with, the center of piston can oppress the piston rod that spool moves passage between realization switching import and the outlet, described cylinder outer wall is provided with the gas control interface, it is characterized in that: be arranged with spacer between the described cylinder and piston bar, described spacer one side is fixedly connected with valve body, and spacer opposite side and cylinder are rotatably connected.The mentality of designing of this technological scheme is: between cylinder and valve body spacer is set, spacer is fixed on the valve body, and spacer opposite side and cylinder are rotatably connected, and has so just realized that cylinder section is rotatable, is convenient to the client during use and installs.
As preferably, described spacer outer wall and cylinder inner wall opposite position are equipped with circular groove, be provided with C shape jump ring in the groove, two ends of jump ring all extend outward the clamping pin, the anchor ring that is positioned at valve body one end of described cylinder is provided with groove, this groove connects the inside and outside wall of cylinder, and the clamping pin of described jump ring stretches out in described groove.
As preferably, the difference of the internal-and external diameter of described jump ring is less than or equal to the degree of depth of the circular groove on the spacer outer wall, and the difference of the internal-and external diameter of described jump ring is greater than the degree of depth of the circular groove on the cylinder inner wall.When mediating two clamping pin of jump ring, because the difference of the internal-and external diameter of jump ring is less than or equal to the degree of depth of the circular groove on the spacer outer wall, so jump ring submerges in the circular groove fully, then with cylinder liner on spacer, when spacer is corresponding with the circular groove position of cylinder, unclamp the clamping pin of jump ring, jump ring expands in the circular groove that embeds cylinder, because the difference of the internal-and external diameter of jump ring is greater than the degree of depth of the circular groove on the cylinder inner wall, so cylinder can not deviate from.
As preferably, be provided with seal ring between described spacer outer wall and the cylinder inner wall, be provided with seal ring between described spacer inwall and the piston rod, be provided with seal ring between described spacer outer wall and the valve body.
As preferably, described gas control interface is communicated to the air chamber between piston and the spacer.
As preferably, described cylinder is provided with pressure relief opening, and this pressure relief opening is communicated with the cylinder air chamber of piston upside.If there is not this pressure relief opening, gas can't release and will cause piston to move difficulty, so offer this pressure relief opening pressure release.
As preferably, described spool bottom surface is provided with the little step trough of the large inner chamber of exocoel, is surrounded by sealing gasket in the described exocoel, is provided with the damping spring that sealing gasket is applied elastic force in the inner chamber.Damping spring can play to sealing gasket the effect of buffering, improves the working life of sealing gasket.
As preferably, be provided with cavity volume in the described valve body, be respectively equipped with import and the outlet that is communicated with cavity volume on two outer walls of valve body, and outlet is oppositely arranged in the bottom surface of the opening up and sealing gasket at cavity volume place.
As preferably, be provided with the spring that piston is applied downward force between the upper end of described piston and the cylinder air chamber inwall.
As preferably, be provided with the spring that spool is applied upward force between the lower end of described spool and the valve body chamber wall.The spring of piston upper end and the spring of spool lower end can make Sealing reset rapidly sensitive reversing.
The beneficial effect of the utility model Pneumatic valve is: realized that cylinder section is rotatable, has been convenient to the client during use and installs, and the working life of having improved sealing gasket.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model Pneumatic valve;
Fig. 2 is the structural representation of jump ring;
Fig. 3 is the perspective view of the utility model Pneumatic valve.
Number in the figure is respectively: 10. valve body 11. imports 12. export 13. spools, 14. sealing gaskets, 15. damping springs, 20. cylinders, 21. pistons, 22. piston rods, 23. gas control interfaces, 24. springs, 25. pressure relief openings, 26. bafflers, 30. spacers, 31. annular slabs, 32. jump rings.
Embodiment
Also by reference to the accompanying drawings the technical solution of the utility model is further described specifically below by embodiment.
Embodiment:
A kind of Pneumatic valve, as shown in Figures 1 to 3, comprise valve body 10 and cylinder 20, described valve body 10 is provided with cavity volume, is provided with spool 13 in the cavity volume, and spool 13 bottom surfaces are provided with the little step trough of the large inner chamber of exocoel, be surrounded by rubber gasket 14 in the described exocoel, be provided with the damping spring 15 that sealing gasket 14 is applied elastic force in the inner chamber, be respectively equipped with the import 11 and the outlet 12 that are communicated with cavity volume on two outer walls of valve body 10, and export 12 and be oppositely arranged in the bottom surface of the opening up and sealing gasket 14 at cavity volume place.
Be provided with slidably piston 21 in the cylinder 20, the center of piston 21 is connected with piston rod 22, the upper-end surface of the lower end surface of piston rod 22 and spool 13 is oppositely arranged, described cylinder 20 outer walls are provided with gas control interface 23, gas control interface 23 is communicated to the air chamber between piston 21 and the spacer 30, be provided with the spring 24 that piston is applied downward force between the upper end of described piston 21 and the cylinder air chamber inwall, be provided with the spring that spool 13 is applied upward force between the lower end of described spool 13 and valve body 10 chamber wall.
Be arranged with spacer 30 between described cylinder 20 and the piston rod 22, the internal diameter of the external diameter of spacer 30 and cylinder 20, cavity volume internal diameter on the valve body 10 is adaptive, the downside of described spacer 30 outer walls has annular boss, boss and valve body 10 cavity volume mouth stepped shafts are adaptive, and push down and be tightened by bolts with annular slab 31, described spacer 30 outer walls and cylinder 20 inwall opposite positions are equipped with circular groove, be provided with C shape jump ring 32 in the groove, two ends of jump ring 32 all extend outward the clamping pin, described cylinder 20 bottom anchor rings are provided with groove, this groove connects the inside and outside wall of cylinder 20, the clamping pin of described jump ring 32 stretches out in described groove, the difference of the internal-and external diameter of described jump ring 32 equals the degree of depth of the circular groove on spacer 30 outer walls, and the difference of the internal-and external diameter of described jump ring 32 is greater than the degree of depth of the circular groove on cylinder 20 inwalls.
Be provided with seal ring between described spacer 30 outer walls and cylinder 20 inwalls, be provided with seal ring between spacer 30 inwalls and the piston rod 21, be provided with seal ring between spacer 30 outer walls and the valve body 10.
Also be provided with pressure relief opening 25 on the described cylinder 20, this pressure relief opening 25 is communicated with the air chamber of piston 21 upsides, for dustproof and noise reduction, is plugged with baffler 26 in pressure relief opening 25.
The working principle of this precision Pneumatic valve is as follows:
During air feed, piston 21 upper end spring forces are not greater than the spring force of spool 13 lower ends for gas control interface 23, and sealing gasket 14 seals up the opening of outlet 12 in valve body 10 cavity volumes, then import 11 with export 12 and be not communicated with this closed condition;
During gas control interface 23 air feed, gas enters air chamber between piston 21 and the spacer 30 via passage, and pushing piston 21 and driving on the piston rod 22 moves, spool 13 is subjected to move on the spring force, sealing gasket 14 breaks away from the opening of outlet 12 in valve body 10 cavity volumes, and then import 11 is communicated with this open mode with outlet 12.
Above-mentioned described specific embodiment only is that the preferable examples explanation is done in design of the present utility model.All any modifications of making within spirit of the present utility model and principle or replenish or be equal to alternatively all should be included within the protection domain of the utility model claim.
Claims (10)
1. Pneumatic valve, comprise valve body (10) and cylinder (20), described valve body (10) is respectively equipped with import (11), outlet (12) and spool (13) movably, be provided with slidably piston (21) in the cylinder (20), the center of piston (21) is connected with can oppress spool (13) thereby the mobile piston rod (22) of realizing opening and closing passage between import (11) and the outlet (12), described cylinder (20) outer wall is provided with gas control interface (23), it is characterized in that: be arranged with spacer (30) between described cylinder (20) and the piston rod (22), described spacer (30) one sides are fixedly connected with valve body (10), and spacer (30) opposite side and cylinder (20) are rotatably connected.
2. Pneumatic valve according to claim 1, it is characterized in that: described spacer (30) outer wall and cylinder (20) inwall opposite position are equipped with circular groove, be provided with C shape jump ring (32) in the groove, two ends of jump ring (32) all extend outward the clamping pin, the anchor ring that is positioned at valve body (10) one ends of described cylinder (20) is provided with groove, this groove connects the inside and outside wall of cylinder (20), and the clamping pin of described jump ring (32) stretches out in described groove.
3. Pneumatic valve according to claim 2, it is characterized in that: the difference of the internal-and external diameter of described jump ring (32) is less than or equal to the degree of depth of the circular groove on spacer (30) outer wall, and the difference of the internal-and external diameter of described jump ring (32) is greater than the degree of depth of the circular groove on cylinder (20) inwall.
4. Pneumatic valve according to claim 3, it is characterized in that: be provided with seal ring between described spacer (30) outer wall and cylinder (20) inwall, be provided with seal ring between described spacer (30) inwall and the piston rod (22), be provided with seal ring between described spacer (30) outer wall and the valve body (10).
5. Pneumatic valve according to claim 4, it is characterized in that: described gas control interface (23) is communicated to the air chamber between piston (21) and the spacer (30).
6. according to claim 1 to 5 each described Pneumatic valves, it is characterized in that: described cylinder (20) is provided with pressure relief opening (25), and this pressure relief opening (25) is communicated with cylinder (20) air chamber of piston (21) upside.
7. according to claim 1 to 5 each described Pneumatic valves, it is characterized in that: described spool (13) bottom surface is provided with the little step trough of the large inner chamber of exocoel, be surrounded by sealing gasket (14) in the described exocoel, be provided with the damping spring (15) that sealing gasket (14) is applied elastic force in the inner chamber.
8. Pneumatic valve according to claim 7, it is characterized in that: described valve body is provided with cavity volume in (10), be respectively equipped with the import (11) and the outlet (12) that are communicated with cavity volume on two outer walls of valve body (10), and outlet (12) is oppositely arranged in the bottom surface of the opening up and sealing gasket (14) at cavity volume place.
9. Pneumatic valve according to claim 8 is characterized in that: be provided with the spring that piston (21) is applied downward force between the upper end of described piston (21) and cylinder (20) the air chamber inwall.
10. Pneumatic valve according to claim 9 is characterized in that: be provided with the spring that spool (13) is applied upward force between the lower end of described spool (13) and valve body (10) chamber wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220257446 CN202660036U (en) | 2012-06-04 | 2012-06-04 | Pneumatic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220257446 CN202660036U (en) | 2012-06-04 | 2012-06-04 | Pneumatic control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202660036U true CN202660036U (en) | 2013-01-09 |
Family
ID=47454945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220257446 Withdrawn - After Issue CN202660036U (en) | 2012-06-04 | 2012-06-04 | Pneumatic control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202660036U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777668A (en) * | 2012-06-04 | 2012-11-14 | 宁波亚德客自动化工业有限公司 | Air control two-way valve |
| CN103407438A (en) * | 2013-08-20 | 2013-11-27 | 瑞立集团瑞安汽车零部件有限公司 | Piston type pneumatic control valve |
| CN110547960A (en) * | 2019-10-17 | 2019-12-10 | 苏州尚领医疗科技有限公司 | Cardio-pulmonary resuscitation pressing device capable of transmitting X rays |
| CN110584984A (en) * | 2019-10-17 | 2019-12-20 | 苏州尚领医疗科技有限公司 | Pneumatic cardiopulmonary resuscitation press device's gas circuit control system |
-
2012
- 2012-06-04 CN CN 201220257446 patent/CN202660036U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102777668A (en) * | 2012-06-04 | 2012-11-14 | 宁波亚德客自动化工业有限公司 | Air control two-way valve |
| WO2013181959A1 (en) * | 2012-06-04 | 2013-12-12 | 宁波亚德客自动化工业有限公司 | Two-way air control valve |
| CN102777668B (en) * | 2012-06-04 | 2014-01-08 | 宁波亚德客自动化工业有限公司 | Air control two-way valve |
| CN103407438A (en) * | 2013-08-20 | 2013-11-27 | 瑞立集团瑞安汽车零部件有限公司 | Piston type pneumatic control valve |
| CN103407438B (en) * | 2013-08-20 | 2015-12-09 | 瑞立集团瑞安汽车零部件有限公司 | Piston type pneumatic control valve |
| CN110547960A (en) * | 2019-10-17 | 2019-12-10 | 苏州尚领医疗科技有限公司 | Cardio-pulmonary resuscitation pressing device capable of transmitting X rays |
| CN110584984A (en) * | 2019-10-17 | 2019-12-20 | 苏州尚领医疗科技有限公司 | Pneumatic cardiopulmonary resuscitation press device's gas circuit control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20140108 |
|
| RGAV | Abandon patent right to avoid regrant |